Letter "B"

Block roof support

BLOCK ROOF SUPPORT is the continuous multi-hinged mining roof support, which is made of the concrete blocks; they use it within the horizontal mine workings with the rock pressure of 294-392 kilopascals or more.

Blokh, Isidore Grigorievich

BLOKH, ISIDORE GRIGORIEVICH is the Soviet scientist in the field of mechanization for the peat production, the corresponding member of the Academy of Sciences of the Byelorussian SSR (1940).

Block-laying machine

BLOCK-LAYING MACHINE is the installation for the erection of the block roof support within the horizontal mine workings.

Block shrinkage

BLOCK SHRINKAGE is the accumulation of the broken ore within the goaf space of the retreating mine working for the entire height of the block (level).

Blocking

BLOCKING is the combination of the methods and means, which are ensuring the fixation of the working parts (elements) of the apparatus, machine, or electrical circuit in the determined position...

Block

BLOC. They distinguish the blocks for excavator, namely, the part of the bench (along the length), which is purposed for the excavation by the single excavator...

Blioduho, Nikolay Fedorovich

BLIODUHO, Nikolay Fedorovich is the Soviet geologist, the organizer of the Geological service of Belarus, the academician of the Academy of Sciences of the Byelorussian SSR (1928).

Blind River

BLIND RIVER, Algoma is the large uranium ore region within Canada (the Ontario province).

Bleiberg

BLEIBERG is the lead-zinc deposit within Austria (Carinthia), near the Villach town. The deposit is known since the 1333 (first mention within the sources).

Bischofite

BISCHOFITE (has been named after the German scientist Gustav Bischof) is the mineral of the class of halides, MgCl2•6H2O.

Bihar mica-bearing region

BIHAR MICA-BEARING REGION is the group of the deposits of muscovite within India (Bihar state; with the length of 160 kilometres, with the width of 16-25 kilometres).

Bitumoids

BITUMOIDS are the components of the organic matter within the rocks, and soils.

Bituminization of the rocks

BITUMINIZATION OF THE ROCKS is the artificial filling of the voids and cracks within the massif of the rocks by the molten bitumen.

Biruni

BIRUNI is the Central Asian scientist-polymath.

Birksu

BIRKSU is the mercury deposit at the south of the Kyrgyz SSR.

Birim

BIRIM is the diamond-bearing region within Ghana, at the distance of 90-130 kilometres from the Accra city to the north-west.

Biotite

BIOTITE (named after the French scientist J. B. Biot) is the mineral of the class of silicates, which is enriched with iron...

Biostromes

BIOSTROMES are the lenses of the rocks with the significant length (tens and hundreds of metres), which are formed by the biohermal limestones (see the "Bioherms" article).

Biological recultivation

BIOLOGICAL RECULTIVATION is the complex of the meliorative and agricultural technical measures for the restoration of the fertility and economic value of the lands, which is performed after the technical recultivation.

Bioherms

BIOHERMS (from the Greek words "bios" (life) and "herma" (underwater hard rock, hill)) are the calcareous mounds and hills at the bottom of the seas and lakes...

Biogeochemical methods for prospecting

BIOGEOCHEMICAL METHODS FOR PROSPECTING are based on the study of the anomalous concentrations of the chemical elements within the various products of biosphere...

Biogenic rocks

BIOGENIC ROCKS, the same as organogenic rocks.

Bingham

BINGHAM is one of the largest within the world copper-porphyry deposits within the USA (Utah state).

Bilibin, Yuriy Aleksandrovich

BILIBIN, Yuriy Aleksandrovich is the Soviet geologist, the corresponding member of the Academy of Sciences of the USSR (1946).

Bikita

BIKITA is the deposit of the rare-metallic pegmatites within Zimbabwe, one of the largest ones within the world in terms of the reserves of lithium, cesium, beryllium, and tantalum.

Bikin (Lower Bikin) deposit

BIKIN (LOWER BIKIN) DEPOSIT OF COAL is located within the Primorsky Territory of the Russian Federation, near the Khabarovsk-Vladivostok main railway line.

Bibi-Hekime

BIBI-HEKIME is the petroleum and gas field within Iran, at the distance of 68 kilometres from the Genave port to the north-east, one of the largest ones within the world.

Beshtentyakskoe field

BESHTENTYAKSKOE PETROLEUM AND GAS CONDENSATE FIELD is situated within the Tajik SSR, at the distance of 60 kilometres from the Dushanbe city to the south-east.

Betekhtin, Anatoly Georgievich

BETEKHTIN, Anatoly Georgievich is the Soviet geologist, mineralogist, academician of the Academy of Sciences of the USSR (since the 1953; corresponding member since the 1946).

Bertrandite

BERTRANDITE (from the name of the French mineralogist E. Bertrand) is the mineral, diorthosilicate, Be4[Si2O7](OH)2.

Berri

BERRI is the petroleum field within the Saudi Arabia, one of the largest within the world. It is situated on the coastal shelf; the southern part of the field extends onto the dry land.

Bernic Lake

BERNIC LAKE is the deposit of the rare metal pegmatites within Canada, which is unique in composition; it contains the ores of tantalum, cesium, and lithium.

Berm

BERM. The transport berm is purposed for the placement of the transport routes, which are connecting the working places of the benches with capital trenches.

Beryllium

BERYLLIUM, Be (Latin "Beryllium") is the chemical element of the Group II of the Periodic System by Mendeleev, the atomic number is 4, the atomic mass is 9.0122.

Beryllium ores

BERYLLIUM ORES are the natural mineral formations, which are containing beryllium.

Beryl

BERYL (from the Greek word "beryllos", the ancient name of the precious stones, which were used for the optical glasses) is the mineral of the sub-class of the cyclic silicates, Be3Al2[Si6O18]; it contains 14.1% of the BeO.

Berezovskoe deposit

BEREZOVSKOE DEPOSIT of gold is situated at the Urals mountains, within the Sverdlovsk province of the Russian Federation.

Beresite

BERESITE (from the name of the Berezovsky deposit at the Urals mountains) is the metasomatic rock, which is consisting of the quartz (25 - 50%), albite (5-25%), sericite (10-15%), carbonate (10%), and is enriched with pyrite.

Bentonite

BENTONITE, bentonite clays are the clays, which are consisting mostly of the minerals of the montmorillonite group and which disperse themselves within water up to the colloidal state.

Benzene resins

BENZENE RESINS is one of the groups of the asphaltic-resinous substances, which are containing the aromatic hydrocarbons or their derivatives, including the heterocyclic ones.

« 1 2 3 4 5 6 »